791637942 has 16 divisors (see below), whose sum is σ = 1584570672. Its totient is φ = 263663520.

The previous prime is 791637941. The next prime is 791637947. The reversal of 791637942 is 249736197.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 791637891 and 791637900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791637941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45909 + ... + 60752.

It is an arithmetic number, because the mean of its divisors is an integer number (99035667).

Almost surely, 2^791637942 is an apocalyptic number.

791637942 is an abundant number, since it is smaller than the sum of its proper divisors (792932730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

791637942 is a wasteful number, since it uses less digits than its factorization.

791637942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107903.

The product of its digits is 571536, while the sum is 48.

The square root of 791637942 is about 28136.0612382046. The cubic root of 791637942 is about 925.0719951754.

The spelling of 791637942 in words is "seven hundred ninety-one million, six hundred thirty-seven thousand, nine hundred forty-two".